<?php
/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */


/**
 * Smarty {html_select_time} function plugin
 *
 * Type:     function<br>
 * Name:     html_select_time<br>
 * Purpose:  Prints the dropdowns for time selection
 * @link http://smarty.php.net/manual/en/language.function.html.select.time.php {html_select_time}
 *          (Smarty online manual)
 * @author Roberto Berto <roberto@berto.net>
 * @credits Monte Ohrt <monte AT ohrt DOT com>
 * @param array
 * @param Smarty
 * @return string
 * @uses smarty_make_timestamp()
 */
function smarty_function_html_select_time($params, &$smarty) {
  require_once $smarty->_get_plugin_filepath('shared','make_timestamp');
  require_once $smarty->_get_plugin_filepath('function','html_options');
    /* Default values. */
  $prefix             = "Time_";
  $time               = time();
  $display_hours      = true;
  $display_minutes    = true;
  $display_seconds    = true;
  $display_meridian   = true;
  $use_24_hours       = true;
  $minute_interval    = 1;
  $second_interval    = 1;
    /* Should the select boxes be part of an array when returned from PHP?
       e.g. setting it to "birthday", would create "birthday[Hour]",
       "birthday[Minute]", "birthday[Seconds]" & "birthday[Meridian]".
       Can be combined with prefix. */
  $field_array        = null;
  $all_extra          = null;
  $hour_extra         = null;
  $minute_extra       = null;
  $second_extra       = null;
  $meridian_extra     = null;

  foreach ($params as $_key=>$_value) {
    switch ($_key) {
      case 'prefix':
      case 'time':
      case 'field_array':
      case 'all_extra':
      case 'hour_extra':
      case 'minute_extra':
      case 'second_extra':
      case 'meridian_extra':
        $$_key = (string)$_value;
        break;

      case 'display_hours':
      case 'display_minutes':
      case 'display_seconds':
      case 'display_meridian':
      case 'use_24_hours':
        $$_key = (bool)$_value;
        break;

      case 'minute_interval':
      case 'second_interval':
        $$_key = (int)$_value;
        break;

      default:
        $smarty->trigger_error("[html_select_time] unknown parameter $_key", E_USER_WARNING);
    }
  }

  $time = smarty_make_timestamp($time);

  $html_result = '';

  if ($display_hours) {
    $hours       = $use_24_hours ? range(0, 23) : range(1, 12);
    $hour_fmt = $use_24_hours ? '%H' : '%I';
    for ($i = 0, $for_max = count($hours); $i < $for_max; $i++)
      $hours[$i] = sprintf('%02d', $hours[$i]);
    $html_result .= '<select name=';
    if (null !== $field_array) {
      $html_result .= '"' . $field_array . '[' . $prefix . 'Hour]"';
    } else {
      $html_result .= '"' . $prefix . 'Hour"';
    }
    if (null !== $hour_extra) {
      $html_result .= ' ' . $hour_extra;
    }
    if (null !== $all_extra) {
      $html_result .= ' ' . $all_extra;
    }
    $html_result .= '>'."\n";
    $html_result .= smarty_function_html_options(array('output'          => $hours,
        'values'          => $hours,
        'selected'      => strftime($hour_fmt, $time),
        'print_result' => false),
        $smarty);
    $html_result .= "</select>\n";
  }

  if ($display_minutes) {
    $all_minutes = range(0, 59);
    for ($i = 0, $for_max = count($all_minutes); $i < $for_max; $i+= $minute_interval)
      $minutes[] = sprintf('%02d', $all_minutes[$i]);
    $selected = intval(floor(strftime('%M', $time) / $minute_interval) * $minute_interval);
    $html_result .= '<select name=';
    if (null !== $field_array) {
      $html_result .= '"' . $field_array . '[' . $prefix . 'Minute]"';
    } else {
      $html_result .= '"' . $prefix . 'Minute"';
    }
    if (null !== $minute_extra) {
      $html_result .= ' ' . $minute_extra;
    }
    if (null !== $all_extra) {
      $html_result .= ' ' . $all_extra;
    }
    $html_result .= '>'."\n";

    $html_result .= smarty_function_html_options(array('output'          => $minutes,
        'values'          => $minutes,
        'selected'      => $selected,
        'print_result' => false),
        $smarty);
    $html_result .= "</select>\n";
  }

  if ($display_seconds) {
    $all_seconds = range(0, 59);
    for ($i = 0, $for_max = count($all_seconds); $i < $for_max; $i+= $second_interval)
      $seconds[] = sprintf('%02d', $all_seconds[$i]);
    $selected = intval(floor(strftime('%S', $time) / $second_interval) * $second_interval);
    $html_result .= '<select name=';
    if (null !== $field_array) {
      $html_result .= '"' . $field_array . '[' . $prefix . 'Second]"';
    } else {
      $html_result .= '"' . $prefix . 'Second"';
    }

    if (null !== $second_extra) {
      $html_result .= ' ' . $second_extra;
    }
    if (null !== $all_extra) {
      $html_result .= ' ' . $all_extra;
    }
    $html_result .= '>'."\n";

    $html_result .= smarty_function_html_options(array('output'          => $seconds,
        'values'          => $seconds,
        'selected'      => $selected,
        'print_result' => false),
        $smarty);
    $html_result .= "</select>\n";
  }

  if ($display_meridian && !$use_24_hours) {
    $html_result .= '<select name=';
    if (null !== $field_array) {
      $html_result .= '"' . $field_array . '[' . $prefix . 'Meridian]"';
    } else {
      $html_result .= '"' . $prefix . 'Meridian"';
    }

    if (null !== $meridian_extra) {
      $html_result .= ' ' . $meridian_extra;
    }
    if (null !== $all_extra) {
      $html_result .= ' ' . $all_extra;
    }
    $html_result .= '>'."\n";

    $html_result .= smarty_function_html_options(array('output'          => array('AM', 'PM'),
        'values'          => array('am', 'pm'),
        'selected'      => strtolower(strftime('%p', $time)),
        'print_result' => false),
        $smarty);
    $html_result .= "</select>\n";
  }

  return $html_result;
}

/* vim: set expandtab: */

?>
